# Class 9th maths science group Chapter 10 All theorems

## Class 9th maths science group Chapter 10 All theorems

Class 9th maths science group Chapter 10 All theorems
11/04/2017 01:47:10 pm - notes - 9th - Mathematics Science Group - administrator

This series of lecture is about class 9th maths book Theorem 10.1.1, Theorem 10.1.2, Theorem 10.1.3, Theorem 10.1.4. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab.

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This Lecture includes complete notes of Chapter 10 Congruent Triangles All theorems from class 9th maths (science group) Punjab Text Book Board. For FBISE, RWPBISE and all other boards like Lahore Board, Sargodha Board etc.

In this Lecture you will go through following Topics: 1. Congruent Triangles i) Introduction ii) Congruency of Triangles iii) Corresponding Angles iv) Corresponding Sides

Select a Theorem from the list bellow to see the video of that Theorem directly (works best in Google Chrome Browser): Introduction to Congruency of Triangles. Things to Know Theorem 10.1.1: In any correspondence of two triangles, if one side and any two angles of one triangle are congruent to the corresponding side and angles of the other, then the triangles are congruent. (A.S.A ~= A.S.A) Theorem 10.1.2: If two angles of a triangle are congruent, then the sides opposite to them are also congruent. Theorem 10.1.3: In a correspondence of two triangles, if three sides of one triangle are congruent to the corresponding three sides of the other, then the two triangles are congruent. (S.S.S ~= S.S.S) Theorem 10.1.4: If in the correspondence of the two right-triangles, the hypotenuse and one side of one triangle are congruent to the hypotenuse and the corresponding side of the other, then the triangles are congruent. (H.S ~= H.S)